Home / 1,192,922.40-1,789,383.60-1,106,317.20

Finding the Fourth Proportional to 1,192,922.40, 1,789,383.60 and 1,106,317.20

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Solution

The fourth proportional to 1,192,922.40, 1,789,383.60 and 1,106,317.20 is: 1,659,475.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,922.40 : 1,789,383.60 = 1,106,317.20 : x
  2. Step 2: Convert to fraction form
    1,192,922.40/1,789,383.60 = 1,106,317.20/x
  3. Step 3: Cross multiply
    1,192,922.40x = 1,789,383.60 × 1,106,317.20
  4. Step 4: Simplify right side
    1,192,922.40x = 1,979,625,854,077.92
  5. Step 5: Solve for x
    x = 1,979,625,854,077.92/1,192,922.40
  6. Step 6: Final answer
    x = 1,659,475.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.